Science Quiz / Structures of the Heart

Random Science or Anatomy Quiz

Can you name the structures of the heart?

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Score 0/20 Timer 10:00
Right Atrium
1. Thin-walled posterior part of right atrium, where vena cava empty 
2. Muscular anterior part of right atrium 
3. External demarcation of the separation of (1) and (2) 
4. Internal demarcation of the separation of (1) and (2) 
5. Valve which opens into the right ventricle 
6. This venous trunk drains most of the heart and dumps into the right atrium 
7. A remnant of the interatrial opening in fetuses (the foramen ovale) 
Right Ventricle
8. Smooth portion of right ventricle leading to the pulmonary valve and trunk 
9. Rigid muscular wall of the right ventricle 
10. Structures that attach to cusps of (5) to prevent (5)'s separation and/or prolapse 
11. Muscles which contract during systole to prevent (5)'s prolapse and regurgitation of blood 
12. Valve leading to the pulmonary trunk 
13. Muscular ridge extending from the right ventricle's septal wall to the base of anterior (11) 
Left Atrium
14. Muscular anterior part of left atrium 
15. Opening to the right atrium (closed at the other end by (7)) 
16. Valve opening into the left ventricle 
Left Ventricle
17. Rigid muscular wall of the left ventricle 
18. Attach to cusps of (15), preventing both separation and prolapse 
19. Contraction of these muscles during systole helps prevent (15)'s prolapse and regurgitation of blood  
20. Valve leading to the ascending aorta 

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Created Oct 11, 2012ReportNominate
Tags:Anatomy Quiz, heart

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